Stewartville Formation Cephalopods, Minnesota: Edenian, Minnesota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Discosorida
- Westonoceratidae
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Westonoceras minnesotense
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Westonoceras iowense
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Westonoceras sp.
Foerste 1924
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Cephalopoda
- Clinoceratidae
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Whiteavesites sp.
Foerste 1929
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Whitfieldoceras minimum
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Cephalopoda
- Ascocerida
- Probillingsitidae
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Probillingsites milleri
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Probillingsites sp.
Foerste 1928
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Probillingsites welleri
Foerste 1928
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Cephalopoda
- Oncocerida
- Valcouroceratidae
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? Manitoulinoceras wykoffense
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Cephalopoda
- Actinocerida
- Actinoceratidae
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Actinoceras sp.
Bronn 1837
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Cephalopoda
- Actinocerida
- Gonioceratidae
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Lambeoceras confertum
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Lambeoceras cf. cultratum
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Cephalopoda
- Orthocerida
- Proteoceratidae
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Ephippiorthoceras sp.
Foerste 1924
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Cephalopoda
- Orthocerida
- Kionoceratidae
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Kionoceras decorahense
Flower 1952
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Cephalopoda
- Endocerida
- Endoceratidae
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Endoceras sp.
Hall 1847
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Cephalopoda
- Barrandeocerida
- Barrandeoceratidae
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Centrocyrtoceras rotundum
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Minnesota |
| Coordinates: | 45.0° North, 93.0° West (view map) | ||
| Paleocoordinates: | 17.9° South, 62.6° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | basin |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| *Period: | Middle Ordovician - Late/Upper Ordovician | *Local age/stage: | Edenian |
| Key time interval: | Edenian | ||
| Age range of interval: | 451.10000 - 450.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Stewartville |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | gray wackestone |
| Includes fossils? | Y |
| Lithology description: Lithology from F. M. Swain. 1987. Middle and Upper Ordovician Ostracoda of Minnesota and Iowa. Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 :99-101. Edited by R. E. Sloan. | |
| Geology comments: Environmental call by T. Hanson. | |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:Faunal list compiled from: 1. Whitfield's (1882) report in volume 4 of Chamberlin's Geology of Wisconsin 2. Clarke's (1897) report in volume III part 2 of Winchell's Final Reports of the Minnesota Geological and Natural History Survey 3. Bassler's Index 4. Individual articles (Foerste, Flower, etc.) 5. Treatise, Part K 6. Author's personal field data. | |
Metadata
| Database number: | 23724 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2002-07-19 08:59:47 | Last modified: | 2004-10-22 12:04:06 |
| Access level: | the public | Released: | 2002-07-19 08:59:47 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6752. | J. A. Catalani. 1987. Biostratigraphy of the Middle and Late Ordovician cephalopods of the Upper Mississippi Valley area. In R. E. Sloan (ed.), Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 187-189 [S. Holland/T. Hanson/S. Bruning] |